150216551 has 4 divisors (see below), whose sum is σ = 151620552. Its totient is φ = 148812552.

The previous prime is 150216541. The next prime is 150216571. The reversal of 150216551 is 155612051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155612051 = 7 ⋅22230293.

It is a cyclic number.

It is not a de Polignac number, because 150216551 - 2⁶ = 150216487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150216551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150216511) 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, 701840 + ... + 702053.

It is an arithmetic number, because the mean of its divisors is an integer number (37905138).

Almost surely, 2^150216551 is an apocalyptic number.

150216551 is a deficient number, since it is larger than the sum of its proper divisors (1404001).

150216551 is a wasteful number, since it uses less digits than its factorization.

150216551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404000.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 150216551 is about 12256.2861830165. The cubic root of 150216551 is about 531.5848502861.

The spelling of 150216551 in words is "one hundred fifty million, two hundred sixteen thousand, five hundred fifty-one".