155073650 has 12 divisors (see below), whose sum is σ = 288437082. Its totient is φ = 62029440.

The previous prime is 155073617. The next prime is 155073671. The reversal of 155073650 is 56370551.

It can be written as a sum of positive squares in 3 ways, for example, as 107972881 + 47100769 = 10391^2 + 6863^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1550687 + ... + 1550786.

Almost surely, 2^155073650 is an apocalyptic number.

155073650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155073650 is a deficient number, since it is larger than the sum of its proper divisors (133363432).

155073650 is a wasteful number, since it uses less digits than its factorization.

155073650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101485 (or 3101480 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 155073650 is about 12452.8571018863. The cubic root of 155073650 is about 537.2536025872.

The spelling of 155073650 in words is "one hundred fifty-five million, seventy-three thousand, six hundred fifty".