151643550 has 24 divisors (see below), whose sum is σ = 376076376. Its totient is φ = 40438240.

The previous prime is 151643549. The next prime is 151643563. The reversal of 151643550 is 55346151.

151643550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505329 + ... + 505628.

It is an arithmetic number, because the mean of its divisors is an integer number (15669849).

Almost surely, 2^151643550 is an apocalyptic number.

151643550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151643550 is an abundant number, since it is smaller than the sum of its proper divisors (224432826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151643550 is a wasteful number, since it uses less digits than its factorization.

151643550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010972 (or 1010967 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 151643550 is about 12314.3635645534. The cubic root of 151643550 is about 533.2628313925.

The spelling of 151643550 in words is "one hundred fifty-one million, six hundred forty-three thousand, five hundred fifty".