150974389 has 8 divisors (see below), whose sum is σ = 152934488. Its totient is φ = 149022720.

The previous prime is 150974381. The next prime is 150974431. The reversal of 150974389 is 983479051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7980625 + 142993764 = 2825^2 + 11958^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 150974389 - 2³ = 150974381 is a prime.

It is a super-2 number, since 2×150974389² = 45586532267846642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150974381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38989 + ... + 42685.

It is an arithmetic number, because the mean of its divisors is an integer number (19116811).

Almost surely, 2^150974389 is an apocalyptic number.

It is an amenable number.

150974389 is a deficient number, since it is larger than the sum of its proper divisors (1960099).

150974389 is an equidigital number, since it uses as much as digits as its factorization.

150974389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 150974389 is about 12287.1635864426. The cubic root of 150974389 is about 532.4772943951.

The spelling of 150974389 in words is "one hundred fifty million, nine hundred seventy-four thousand, three hundred eighty-nine".