149238412 has 12 divisors (see below), whose sum is σ = 261255456. Its totient is φ = 74594000.

The previous prime is 149238409. The next prime is 149238431. The reversal of 149238412 is 214832941.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15078 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (21771288).

Almost surely, 2^149238412 is an apocalyptic number.

It is an amenable number.

149238412 is a deficient number, since it is larger than the sum of its proper divisors (112017044).

149238412 is a wasteful number, since it uses less digits than its factorization.

149238412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12608 (or 12606 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 149238412 is about 12216.3174483966. The cubic root of 149238412 is about 530.4285272821.

The spelling of 149238412 in words is "one hundred forty-nine million, two hundred thirty-eight thousand, four hundred twelve".