142400433051 has 16 divisors (see below), whose sum is σ = 211105536000. Its totient is φ = 94869752904.

The previous prime is 142400432983. The next prime is 142400433053. The reversal of 142400433051 is 150334004241.

It is a happy number.

142400433051 is a `hidden beast` number, since 142 + 40 + 0 + 433 + 0 + 51 = 666.

It is not a de Polignac number, because 142400433051 - 2¹¹ = 142400431003 is a prime.

It is a super-2 number, since 2×142400433051² (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 (142400433053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733251 + ... + 1813548.

It is an arithmetic number, because the mean of its divisors is an integer number (13194096000).

Almost surely, 2^142400433051 is an apocalyptic number.

142400433051 is a deficient number, since it is larger than the sum of its proper divisors (68705102949).

142400433051 is a wasteful number, since it uses less digits than its factorization.

142400433051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548295 (or 3548289 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 142400433051 its reverse (150334004241), we get a palindrome (292734437292).

The spelling of 142400433051 in words is "one hundred forty-two billion, four hundred million, four hundred thirty-three thousand, fifty-one".