149147451 has 12 divisors (see below), whose sum is σ = 215557680. Its totient is φ = 99375120.

The previous prime is 149147447. The next prime is 149147483. The reversal of 149147451 is 154741941.

It is not a de Polignac number, because 149147451 - 2² = 149147447 is a prime.

It is a super-3 number, since 3×149147451³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (149147051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17530 + ... + 24608.

It is an arithmetic number, because the mean of its divisors is an integer number (17963140).

Almost surely, 2^149147451 is an apocalyptic number.

149147451 is a deficient number, since it is larger than the sum of its proper divisors (66410229).

149147451 is a wasteful number, since it uses less digits than its factorization.

149147451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426 (or 9423 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 149147451 is about 12212.5939505086. The cubic root of 149147451 is about 530.3207397619.

The spelling of 149147451 in words is "one hundred forty-nine million, one hundred forty-seven thousand, four hundred fifty-one".