149012497 has 12 divisors (see below), whose sum is σ = 166525956. Its totient is φ = 132860160.

The previous prime is 149012477. The next prime is 149012503. The reversal of 149012497 is 794210941.

It can be written as a sum of positive squares in 2 ways, for example, as 131698576 + 17313921 = 11476^2 + 4161^2 .

It is not a de Polignac number, because 149012497 - 2¹⁵ = 148979729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149012477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6004 + ... + 18277.

It is an arithmetic number, because the mean of its divisors is an integer number (13877163).

Almost surely, 2^149012497 is an apocalyptic number.

149012497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

149012497 is a deficient number, since it is larger than the sum of its proper divisors (17513459).

149012497 is a wasteful number, since it uses less digits than its factorization.

149012497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24336 (or 24317 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 149012497 is about 12207.0675020662. The cubic root of 149012497 is about 530.1607403753.

The spelling of 149012497 in words is "one hundred forty-nine million, twelve thousand, four hundred ninety-seven".