145511004 has 24 divisors (see below), whose sum is σ = 342533520. Its totient is φ = 48073984.

The previous prime is 145510997. The next prime is 145511017. The reversal of 145511004 is 400115541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52299 + ... + 55010.

It is an arithmetic number, because the mean of its divisors is an integer number (14272230).

Almost surely, 2^145511004 is an apocalyptic number.

It is an amenable number.

145511004 is an abundant number, since it is smaller than the sum of its proper divisors (197022516).

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

145511004 is a wasteful number, since it uses less digits than its factorization.

145511004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107429 (or 107427 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 145511004 is about 12062.7942036661. The cubic root of 145511004 is about 525.9752141260.

Adding to 145511004 its reverse (400115541), we get a palindrome (545626545).

The spelling of 145511004 in words is "one hundred forty-five million, five hundred eleven thousand, four".