149049254 has 4 divisors (see below), whose sum is σ = 223573884. Its totient is φ = 74524626.

The previous prime is 149049211. The next prime is 149049259. The reversal of 149049254 is 452940941.

149049254 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, and also an emirpimes, since its reverse is a distinct semiprime: 452940941 = 9059 ⋅49999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149049259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37262312 + ... + 37262315.

It is an arithmetic number, because the mean of its divisors is an integer number (55893471).

Almost surely, 2^149049254 is an apocalyptic number.

149049254 is a deficient number, since it is larger than the sum of its proper divisors (74524630).

149049254 is an equidigital number, since it uses as much as digits as its factorization.

149049254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74524629.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 149049254 is about 12208.5729714820. The cubic root of 149049254 is about 530.2043284784.

The spelling of 149049254 in words is "one hundred forty-nine million, forty-nine thousand, two hundred fifty-four".