152720154 has 24 divisors (see below), whose sum is σ = 343150080. Its totient is φ = 50906556.

The previous prime is 152720131. The next prime is 152720171. The reversal of 152720154 is 451027251.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156634 + ... + 157605.

It is an arithmetic number, because the mean of its divisors is an integer number (14297920).

Almost surely, 2^152720154 is an apocalyptic number.

152720154 is an abundant number, since it is smaller than the sum of its proper divisors (190429926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152720154 is an equidigital number, since it uses as much as digits as its factorization.

152720154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314256 (or 314244 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 152720154 is about 12357.9995954038. Note that the first 3 decimals coincide. The cubic root of 152720154 is about 534.5218355491.

The spelling of 152720154 in words is "one hundred fifty-two million, seven hundred twenty thousand, one hundred fifty-four".