150720690 has 16 divisors (see below), whose sum is σ = 361729728. Its totient is φ = 40192176.

The previous prime is 150720683. The next prime is 150720707. The reversal of 150720690 is 96027051.

It is a super-2 number, since 2×150720690² = 45433452788152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5024023 = 150720690 / (1 + 5 + 0 + 7 + 2 + 0 + 6 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511982 + ... + 2512041.

It is an arithmetic number, because the mean of its divisors is an integer number (22608108).

Almost surely, 2^150720690 is an apocalyptic number.

150720690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150720690 is an abundant number, since it is smaller than the sum of its proper divisors (211009038).

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

150720690 is a wasteful number, since it uses less digits than its factorization.

150720690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024033.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 150720690 is about 12276.8355043146. The cubic root of 150720690 is about 532.1788669663.

The spelling of 150720690 in words is "one hundred fifty million, seven hundred twenty thousand, six hundred ninety".