150456891 has 8 divisors (see below), whose sum is σ = 216040720. Its totient is φ = 92588832.

The previous prime is 150456847. The next prime is 150456907. The reversal of 150456891 is 198654051.

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

It is not a de Polignac number, because 150456891 - 2⁶ = 150456827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3857869 = 150456891 / (1 + 5 + 0 + 4 + 5 + 6 + 8 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150456821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928896 + ... + 1928973.

It is an arithmetic number, because the mean of its divisors is an integer number (27005090).

Almost surely, 2^150456891 is an apocalyptic number.

150456891 is a deficient number, since it is larger than the sum of its proper divisors (65583829).

150456891 is a wasteful number, since it uses less digits than its factorization.

150456891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857885.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 150456891 is about 12266.0870288776. The cubic root of 150456891 is about 531.8682034966.

The spelling of 150456891 in words is "one hundred fifty million, four hundred fifty-six thousand, eight hundred ninety-one".