142150761 has 16 divisors (see below), whose sum is σ = 221678400. Its totient is φ = 89779104.

The previous prime is 142150759. The next prime is 142150769. The reversal of 142150761 is 167051241.

It is a happy number.

It is not a de Polignac number, because 142150761 - 2¹ = 142150759 is a prime.

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 (142150769) 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, 138036 + ... + 139061.

It is an arithmetic number, because the mean of its divisors is an integer number (13854900).

Almost surely, 2^142150761 is an apocalyptic number.

It is an amenable number.

142150761 is a deficient number, since it is larger than the sum of its proper divisors (79527639).

142150761 is a wasteful number, since it uses less digits than its factorization.

142150761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277125 (or 277119 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 142150761 is about 11922.6994007230. The cubic root of 142150761 is about 521.8949121258.

The spelling of 142150761 in words is "one hundred forty-two million, one hundred fifty thousand, seven hundred sixty-one".