149452797 has 32 divisors (see below), whose sum is σ = 228711168. Its totient is φ = 85994496.

The previous prime is 149452769. The next prime is 149452837. The reversal of 149452797 is 797254941.

It is not a de Polignac number, because 149452797 - 2⁶ = 149452733 is a prime.

It is a super-2 number, since 2×149452797² = 44672277062246418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149450797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114048 + ... + 115350.

It is an arithmetic number, because the mean of its divisors is an integer number (7147224).

Almost surely, 2^149452797 is an apocalyptic number.

149452797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

149452797 is a deficient number, since it is larger than the sum of its proper divisors (79258371).

149452797 is a wasteful number, since it uses less digits than its factorization.

149452797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its digits is 635040, while the sum is 48.

The square root of 149452797 is about 12225.0888340331. The cubic root of 149452797 is about 530.6823973810.

The spelling of 149452797 in words is "one hundred forty-nine million, four hundred fifty-two thousand, seven hundred ninety-seven".