151455551 has 16 divisors (see below), whose sum is σ = 165355008. Its totient is φ = 137894400.

The previous prime is 151455547. The next prime is 151455559. The reversal of 151455551 is 155554151.

151455551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 151455551 - 2² = 151455547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151455559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449255 + ... + 449591.

It is an arithmetic number, because the mean of its divisors is an integer number (10334688).

Almost surely, 2^151455551 is an apocalyptic number.

151455551 is a deficient number, since it is larger than the sum of its proper divisors (13899457).

151455551 is a wasteful number, since it uses less digits than its factorization.

151455551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722.

The product of its digits is 12500, while the sum is 32.

The square root of 151455551 is about 12306.7278754346. The cubic root of 151455551 is about 533.0423706764.

The spelling of 151455551 in words is "one hundred fifty-one million, four hundred fifty-five thousand, five hundred fifty-one".