151956243 has 20 divisors (see below), whose sum is σ = 238945960. Its totient is φ = 95971392.

The previous prime is 151956229. The next prime is 151956257. The reversal of 151956243 is 342659151.

151956243 is a `hidden beast` number, since 1 + 51 + 9 + 562 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (151956229) and next prime (151956257).

It is not a de Polignac number, because 151956243 - 2⁴ = 151956227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151956198 and 151956207.

It is not an unprimeable number, because it can be changed into a prime (151956943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47830 + ... + 50907.

It is an arithmetic number, because the mean of its divisors is an integer number (11947298).

Almost surely, 2^151956243 is an apocalyptic number.

151956243 is a deficient number, since it is larger than the sum of its proper divisors (86989717).

151956243 is an equidigital number, since it uses as much as digits as its factorization.

151956243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98768 (or 98759 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 151956243 is about 12327.0532975241. The cubic root of 151956243 is about 533.6291137545.

The spelling of 151956243 in words is "one hundred fifty-one million, nine hundred fifty-six thousand, two hundred forty-three".