150783997 has 24 divisors (see below), whose sum is σ = 187837056. Its totient is φ = 118512576.

The previous prime is 150783989. The next prime is 150784027. The reversal of 150783997 is 799387051.

It is not a de Polignac number, because 150783997 - 2³ = 150783989 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150783997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150783947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232728 + ... + 233374.

It is an arithmetic number, because the mean of its divisors is an integer number (7826544).

Almost surely, 2^150783997 is an apocalyptic number.

It is an amenable number.

150783997 is a deficient number, since it is larger than the sum of its proper divisors (37053059).

150783997 is a wasteful number, since it uses less digits than its factorization.

150783997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 150783997 is about 12279.4135446283. The cubic root of 150783997 is about 532.2533666510.

The spelling of 150783997 in words is "one hundred fifty million, seven hundred eighty-three thousand, nine hundred ninety-seven".