149015254 has 4 divisors (see below), whose sum is σ = 223522884. Its totient is φ = 74507626.

The previous prime is 149015249. The next prime is 149015257. The reversal of 149015254 is 452510941.

149015254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149015257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37253812 + ... + 37253815.

It is an arithmetic number, because the mean of its divisors is an integer number (55880721).

Almost surely, 2^149015254 is an apocalyptic number.

149015254 is a deficient number, since it is larger than the sum of its proper divisors (74507630).

149015254 is an equidigital number, since it uses as much as digits as its factorization.

149015254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74507629.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 149015254 is about 12207.1804279285. The cubic root of 149015254 is about 530.1640099985.

The spelling of 149015254 in words is "one hundred forty-nine million, fifteen thousand, two hundred fifty-four".