142265506761 has 45 divisors (see below), whose sum is σ = 247258532829. Its totient is φ = 81280996776.

The previous prime is 142265506729. The next prime is 142265506777. The reversal of 142265506761 is 167605562241.

The square root of 142265506761 is 377181.

It is a perfect power (a square), and thus also a powerful number.

142265506761 is a `hidden beast` number, since 1 + 4 + 2 + 26 + 550 + 6 + 76 + 1 = 666.

It is not a de Polignac number, because 142265506761 - 2⁵ = 142265506729 is a prime.

It is a super-2 number, since 2×142265506761² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142265506861) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 23759410 + ... + 23765396.

Almost surely, 2^142265506761 is an apocalyptic number.

142265506761 is the 377181-st square number.

142265506761 is the 188591-st centered octagonal number.

It is an amenable number.

142265506761 is a deficient number, since it is larger than the sum of its proper divisors (104993026068).

142265506761 is an frugal number, since it uses more digits than its factorization.

142265506761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12000 (or 5997 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 142265506761 in words is "one hundred forty-two billion, two hundred sixty-five million, five hundred six thousand, seven hundred sixty-one".