151153261 has 4 divisors (see below), whose sum is σ = 172746592. Its totient is φ = 129559932.

The previous prime is 151153253. The next prime is 151153279. The reversal of 151153261 is 162351151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151153261 - 2³ = 151153253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151153361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10796655 + ... + 10796668.

It is an arithmetic number, because the mean of its divisors is an integer number (43186648).

Almost surely, 2^151153261 is an apocalyptic number.

It is an amenable number.

151153261 is a deficient number, since it is larger than the sum of its proper divisors (21593331).

151153261 is an equidigital number, since it uses as much as digits as its factorization.

151153261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21593330.

The product of its digits is 900, while the sum is 25.

The square root of 151153261 is about 12294.4402475265. The cubic root of 151153261 is about 532.6875015455.

The spelling of 151153261 in words is "one hundred fifty-one million, one hundred fifty-three thousand, two hundred sixty-one".