149572799 has 4 divisors (see below), whose sum is σ = 154397760. Its totient is φ = 144747840.

The previous prime is 149572781. The next prime is 149572811. The reversal of 149572799 is 997275941.

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 149572799 - 2⁸ = 149572543 is a prime.

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 149572799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149572099) 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, 2412434 + ... + 2412495.

It is an arithmetic number, because the mean of its divisors is an integer number (38599440).

Almost surely, 2^149572799 is an apocalyptic number.

149572799 is a deficient number, since it is larger than the sum of its proper divisors (4824961).

149572799 is an equidigital number, since it uses as much as digits as its factorization.

149572799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824960.

The product of its digits is 1428840, while the sum is 53.

The square root of 149572799 is about 12229.9958708088. The cubic root of 149572799 is about 530.8243951965.

The spelling of 149572799 in words is "one hundred forty-nine million, five hundred seventy-two thousand, seven hundred ninety-nine".