10145620242 has 24 divisors (see below), whose sum is σ = 21997425216. Its totient is φ = 3379527576.

The previous prime is 10145620211. The next prime is 10145620249. The reversal of 10145620242 is 24202654101.

10145620242 is a `hidden beast` number, since 1 + 0 + 1 + 456 + 202 + 4 + 2 = 666.

It is a super-2 number, since 2×10145620242² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10145620249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168718 + ... + 220809.

It is an arithmetic number, because the mean of its divisors is an integer number (916559384).

Almost surely, 2^10145620242 is an apocalyptic number.

10145620242 is an abundant number, since it is smaller than the sum of its proper divisors (11851804974).

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

10145620242 is a wasteful number, since it uses less digits than its factorization.

10145620242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390982 (or 390979 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 10145620242 in words is "ten billion, one hundred forty-five million, six hundred twenty thousand, two hundred forty-two".