151155761 has 4 divisors (see below), whose sum is σ = 151180800. Its totient is φ = 151130724.

The previous prime is 151155757. The next prime is 151155769. The reversal of 151155761 is 167551151.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 167551151 = 3911 ⋅42841.

It is a cyclic number.

It is not a de Polignac number, because 151155761 - 2² = 151155757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151155769) 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, 2720 + ... + 17598.

It is an arithmetic number, because the mean of its divisors is an integer number (37795200).

Almost surely, 2^151155761 is an apocalyptic number.

It is an amenable number.

151155761 is a deficient number, since it is larger than the sum of its proper divisors (25039).

151155761 is a wasteful number, since it uses less digits than its factorization.

151155761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25038.

The product of its digits is 5250, while the sum is 32.

The square root of 151155761 is about 12294.5419190794. The cubic root of 151155761 is about 532.6904383251.

The spelling of 151155761 in words is "one hundred fifty-one million, one hundred fifty-five thousand, seven hundred sixty-one".