151261761 has 16 divisors (see below), whose sum is σ = 234274688. Its totient is φ = 85017600.

The previous prime is 151261757. The next prime is 151261763. The reversal of 151261761 is 167162151.

It is not a de Polignac number, because 151261761 - 2² = 151261757 is a prime.

It is a super-2 number, since 2×151261761² = 45760240681642242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151261763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57760 + ... + 60321.

It is an arithmetic number, because the mean of its divisors is an integer number (14642168).

Almost surely, 2^151261761 is an apocalyptic number.

It is an amenable number.

151261761 is a deficient number, since it is larger than the sum of its proper divisors (83012927).

151261761 is a wasteful number, since it uses less digits than its factorization.

151261761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118152.

The product of its digits is 2520, while the sum is 30.

The square root of 151261761 is about 12298.8520195992. The cubic root of 151261761 is about 532.8149279955.

The spelling of 151261761 in words is "one hundred fifty-one million, two hundred sixty-one thousand, seven hundred sixty-one".