150552551 has 4 divisors (see below), whose sum is σ = 152799672. Its totient is φ = 148305432.

The previous prime is 150552541. The next prime is 150552557. The reversal of 150552551 is 155255051.

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

It is a cyclic number.

It is not a de Polignac number, because 150552551 - 2⁶ = 150552487 is a prime.

It is a super-2 number, since 2×150552551² = 45332141225215202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150552557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123460 + ... + 1123593.

It is an arithmetic number, because the mean of its divisors is an integer number (38199918).

Almost surely, 2^150552551 is an apocalyptic number.

150552551 is a deficient number, since it is larger than the sum of its proper divisors (2247121).

150552551 is an equidigital number, since it uses as much as digits as its factorization.

150552551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247120.

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 150552551 is about 12269.9857783129. The cubic root of 150552551 is about 531.9808996384.

The spelling of 150552551 in words is "one hundred fifty million, five hundred fifty-two thousand, five hundred fifty-one".