145040042124 has 60 divisors (see below), whose sum is σ = 395648702064. Its totient is φ = 46244648736.

The previous prime is 145040042107. The next prime is 145040042129. The reversal of 145040042124 is 421240040541.

145040042124 is a `hidden beast` number, since 1 + 45 + 0 + 400 + 4 + 212 + 4 = 666.

It is a super-2 number, since 2×145040042124² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145040042129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9724167 + ... + 9739070.

Almost surely, 2^145040042124 is an apocalyptic number.

It is an amenable number.

145040042124 is an abundant number, since it is smaller than the sum of its proper divisors (250608659940).

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

145040042124 is a wasteful number, since it uses less digits than its factorization.

145040042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19463276 (or 19463265 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 145040042124 its reverse (421240040541), we get a palindrome (566280082665).

The spelling of 145040042124 in words is "one hundred forty-five billion, forty million, forty-two thousand, one hundred twenty-four".