151240555 has 4 divisors (see below), whose sum is σ = 181488672. Its totient is φ = 120992440.

The previous prime is 151240553. The next prime is 151240559. The reversal of 151240555 is 555042151.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 151240555 - 2¹ = 151240553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151240553) 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, 15124051 + ... + 15124060.

It is an arithmetic number, because the mean of its divisors is an integer number (45372168).

Almost surely, 2^151240555 is an apocalyptic number.

151240555 is a deficient number, since it is larger than the sum of its proper divisors (30248117).

151240555 is an equidigital number, since it uses as much as digits as its factorization.

151240555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30248116.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 151240555 is about 12297.9898763985. The cubic root of 151240555 is about 532.7900276697.

The spelling of 151240555 in words is "one hundred fifty-one million, two hundred forty thousand, five hundred fifty-five".