149933493 has 12 divisors (see below), whose sum is σ = 216873280. Its totient is φ = 99815976.

The previous prime is 149933491. The next prime is 149933501. The reversal of 149933493 is 394339941.

It is not a de Polignac number, because 149933493 - 2¹ = 149933491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149933491) 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, 4621 + ... + 17922.

Almost surely, 2^149933493 is an apocalyptic number.

It is an amenable number.

149933493 is a deficient number, since it is larger than the sum of its proper divisors (66939787).

149933493 is a wasteful number, since it uses less digits than its factorization.

149933493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23288 (or 23285 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 149933493 is about 12244.7332759844. The cubic root of 149933493 is about 531.2507460566.

It can be divided in two parts, 149933 and 493, that added together give a triangular number (150426 = T₅₄₈).

The spelling of 149933493 in words is "one hundred forty-nine million, nine hundred thirty-three thousand, four hundred ninety-three".