149457436 has 24 divisors (see below), whose sum is σ = 268692480. Its totient is φ = 72715632.

The previous prime is 149457431. The next prime is 149457449. The reversal of 149457436 is 634754941.

It is a junction number, because it is equal to n+sod(n) for n = 149457392 and 149457401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149457431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18885 + ... + 25603.

It is an arithmetic number, because the mean of its divisors is an integer number (11195520).

Almost surely, 2^149457436 is an apocalyptic number.

It is an amenable number.

149457436 is a deficient number, since it is larger than the sum of its proper divisors (119235044).

149457436 is a wasteful number, since it uses less digits than its factorization.

149457436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873 (or 6871 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 149457436 is about 12225.2785653334. The cubic root of 149457436 is about 530.6878881006.

The spelling of 149457436 in words is "one hundred forty-nine million, four hundred fifty-seven thousand, four hundred thirty-six".