149054997 has 32 divisors (see below), whose sum is σ = 258999552. Its totient is φ = 73995264.

The previous prime is 149054989. The next prime is 149054999. The reversal of 149054997 is 799450941.

It is not a de Polignac number, because 149054997 - 2³ = 149054989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149054999) 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, 11418 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (8093736).

Almost surely, 2^149054997 is an apocalyptic number.

149054997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

149054997 is a deficient number, since it is larger than the sum of its proper divisors (109944555).

149054997 is a wasteful number, since it uses less digits than its factorization.

149054997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32157.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 149054997 is about 12208.8081727907. The cubic root of 149054997 is about 530.2111381387.

It can be divided in two parts, 149054 and 997, that added together give a palindrome (150051).

The spelling of 149054997 in words is "one hundred forty-nine million, fifty-four thousand, nine hundred ninety-seven".