145236456 has 128 divisors (see below), whose sum is σ = 435072000. Its totient is φ = 44743104.

The previous prime is 145236419. The next prime is 145236463. The reversal of 145236456 is 654632541.

145236456 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 3 + 645 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (86400) is a multiple of the sum of its prime factors (900).

It is a self number, because there is not a number n which added to its sum of digits gives 145236456.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176061 + ... + 176883.

It is an arithmetic number, because the mean of its divisors is an integer number (3399000).

Almost surely, 2^145236456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145236456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217536000).

145236456 is an abundant number, since it is smaller than the sum of its proper divisors (289835544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145236456 is a wasteful number, since it uses less digits than its factorization.

145236456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 890 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 145236456 is about 12051.4088802928. The cubic root of 145236456 is about 525.6442051184.

Adding to 145236456 its reverse (654632541), we get a palindrome (799868997).

The spelling of 145236456 in words is "one hundred forty-five million, two hundred thirty-six thousand, four hundred fifty-six".