145842477 has 8 divisors (see below), whose sum is σ = 212134560. Its totient is φ = 88389360.

The previous prime is 145842467. The next prime is 145842503. The reversal of 145842477 is 774248541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145842477 - 2⁶ = 145842413 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145842467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209702 + ... + 2209767.

It is an arithmetic number, because the mean of its divisors is an integer number (26516820).

Almost surely, 2^145842477 is an apocalyptic number.

It is an amenable number.

145842477 is a deficient number, since it is larger than the sum of its proper divisors (66292083).

145842477 is a wasteful number, since it uses less digits than its factorization.

145842477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419483.

The product of its digits is 250880, while the sum is 42.

The square root of 145842477 is about 12076.5258663243. The cubic root of 145842477 is about 526.3743004675.

The spelling of 145842477 in words is "one hundred forty-five million, eight hundred forty-two thousand, four hundred seventy-seven".