151240761 has 24 divisors (see below), whose sum is σ = 255478080. Its totient is φ = 84411936.

The previous prime is 151240753. The next prime is 151240781. The reversal of 151240761 is 167042151.

It is a happy number.

It is not a de Polignac number, because 151240761 - 2³ = 151240753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151240781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25206 + ... + 30623.

It is an arithmetic number, because the mean of its divisors is an integer number (10644920).

Almost surely, 2^151240761 is an apocalyptic number.

It is an amenable number.

151240761 is a deficient number, since it is larger than the sum of its proper divisors (104237319).

151240761 is a wasteful number, since it uses less digits than its factorization.

151240761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55885 (or 55882 counting only the distinct ones).

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

The square root of 151240761 is about 12297.9982517481. The cubic root of 151240761 is about 532.7902695684.

The spelling of 151240761 in words is "one hundred fifty-one million, two hundred forty thousand, seven hundred sixty-one".