150213555 has 32 divisors (see below), whose sum is σ = 269568000. Its totient is φ = 79357536.

The previous prime is 150213509. The next prime is 150213589. The reversal of 150213555 is 555312051.

150213555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 150213555 - 2¹⁸ = 149951411 is a prime.

It is a super-3 number, since 3×150213555³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 31 ways as a sum of consecutive naturals, for example, 9246 + ... + 19644.

It is an arithmetic number, because the mean of its divisors is an integer number (8424000).

Almost surely, 2^150213555 is an apocalyptic number.

150213555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150213555 is a deficient number, since it is larger than the sum of its proper divisors (119354445).

150213555 is a wasteful number, since it uses less digits than its factorization.

150213555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520 (or 10514 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 150213555 is about 12256.1639594124. The cubic root of 150213555 is about 531.5813161908.

The spelling of 150213555 in words is "one hundred fifty million, two hundred thirteen thousand, five hundred fifty-five".