150862993 has 4 divisors (see below), whose sum is σ = 152356788. Its totient is φ = 149369200.

The previous prime is 150862991. The next prime is 150863071. The reversal of 150862993 is 399268051.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122058304 + 28804689 = 11048^2 + 5367^2 .

It is a cyclic number.

It is not a de Polignac number, because 150862993 - 2¹ = 150862991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150862991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746746 + ... + 746947.

It is an arithmetic number, because the mean of its divisors is an integer number (38089197).

Almost surely, 2^150862993 is an apocalyptic number.

It is an amenable number.

150862993 is a deficient number, since it is larger than the sum of its proper divisors (1493795).

150862993 is a wasteful number, since it uses less digits than its factorization.

150862993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493794.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 150862993 is about 12282.6297265691. The cubic root of 150862993 is about 532.3462999137.

The spelling of 150862993 in words is "one hundred fifty million, eight hundred sixty-two thousand, nine hundred ninety-three".