142051505454 has 24 divisors (see below), whose sum is σ = 307785321480. Its totient is φ = 47349415728.

The previous prime is 142051505423. The next prime is 142051505467. The reversal of 142051505454 is 454505150241.

142051505454 is a `hidden beast` number, since 1 + 42 + 0 + 515 + 0 + 54 + 54 = 666.

It is a super-2 number, since 2×142051505454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1263489 + ... + 1371315.

It is an arithmetic number, because the mean of its divisors is an integer number (12824388395).

Almost surely, 2^142051505454 is an apocalyptic number.

142051505454 is an abundant number, since it is smaller than the sum of its proper divisors (165733816026).

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

142051505454 is a wasteful number, since it uses less digits than its factorization.

142051505454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181024 (or 181021 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 142051505454 its reverse (454505150241), we get a palindrome (596556655695).

The spelling of 142051505454 in words is "one hundred forty-two billion, fifty-one million, five hundred five thousand, four hundred fifty-four".