149253494 has 8 divisors (see below), whose sum is σ = 241101840. Its totient is φ = 68886216.

The previous prime is 149253491. The next prime is 149253497. The reversal of 149253494 is 494352941.

It is an interprime number because it is at equal distance from previous prime (149253491) and next prime (149253497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×149253494³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149253491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2870234 + ... + 2870285.

It is an arithmetic number, because the mean of its divisors is an integer number (30137730).

Almost surely, 2^149253494 is an apocalyptic number.

149253494 is a deficient number, since it is larger than the sum of its proper divisors (91848346).

149253494 is a wasteful number, since it uses less digits than its factorization.

149253494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740534.

The product of its digits is 155520, while the sum is 41.

The square root of 149253494 is about 12216.9347219341. The cubic root of 149253494 is about 530.4463950090.

The spelling of 149253494 in words is "one hundred forty-nine million, two hundred fifty-three thousand, four hundred ninety-four".