150893997 has 4 divisors (see below), whose sum is σ = 201192000. Its totient is φ = 100595996.

The previous prime is 150893971. The next prime is 150893999. The reversal of 150893997 is 799398051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150893997 - 2⁶ = 150893933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150893999) 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, 25148997 + ... + 25149002.

It is an arithmetic number, because the mean of its divisors is an integer number (50298000).

Almost surely, 2^150893997 is an apocalyptic number.

It is an amenable number.

150893997 is a deficient number, since it is larger than the sum of its proper divisors (50298003).

150893997 is an equidigital number, since it uses as much as digits as its factorization.

150893997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50298002.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 150893997 is about 12283.8917693050. The cubic root of 150893997 is about 532.3827650840.

The spelling of 150893997 in words is "one hundred fifty million, eight hundred ninety-three thousand, nine hundred ninety-seven".