151155646 has 8 divisors (see below), whose sum is σ = 227170224. Its totient is φ = 75432240.

The previous prime is 151155637. The next prime is 151155647. The reversal of 151155646 is 646551151.

151155646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151155647) 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, 71490 + ... + 73573.

It is an arithmetic number, because the mean of its divisors is an integer number (28396278).

Almost surely, 2^151155646 is an apocalyptic number.

151155646 is a deficient number, since it is larger than the sum of its proper divisors (76014578).

151155646 is a wasteful number, since it uses less digits than its factorization.

151155646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145586.

The product of its digits is 18000, while the sum is 34.

The square root of 151155646 is about 12294.5372422064. The cubic root of 151155646 is about 532.6903032339.

The spelling of 151155646 in words is "one hundred fifty-one million, one hundred fifty-five thousand, six hundred forty-six".