150550643 has 4 divisors (see below), whose sum is σ = 151561200. Its totient is φ = 149540088.

The previous prime is 150550639. The next prime is 150550649. The reversal of 150550643 is 346055051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150550643 - 2² = 150550639 is a prime.

It is a super-2 number, since 2×150550643² = 45330992215426898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150550649) 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, 505055 + ... + 505352.

It is an arithmetic number, because the mean of its divisors is an integer number (37890300).

Almost surely, 2^150550643 is an apocalyptic number.

150550643 is a deficient number, since it is larger than the sum of its proper divisors (1010557).

150550643 is a wasteful number, since it uses less digits than its factorization.

150550643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010556.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 150550643 is about 12269.9080273652. The cubic root of 150550643 is about 531.9786523083.

The spelling of 150550643 in words is "one hundred fifty million, five hundred fifty thousand, six hundred forty-three".