150856919 has 2 divisors, whose sum is σ = 150856920. Its totient is φ = 150856918.

The previous prime is 150856913. The next prime is 150856949. The reversal of 150856919 is 919658051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150856919 - 2²⁴ = 134079703 is a prime.

It is a super-2 number, since 2×150856919² = 45515620020345122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 150856919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150856913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75428459 + 75428460.

It is an arithmetic number, because the mean of its divisors is an integer number (75428460).

Almost surely, 2^150856919 is an apocalyptic number.

150856919 is a deficient number, since it is larger than the sum of its proper divisors (1).

150856919 is an equidigital number, since it uses as much as digits as its factorization.

150856919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 150856919 is about 12282.3824643267. The cubic root of 150856919 is about 532.3391554295.

The spelling of 150856919 in words is "one hundred fifty million, eight hundred fifty-six thousand, nine hundred nineteen".