149374073 has 2 divisors, whose sum is σ = 149374074. Its totient is φ = 149374072.

The previous prime is 149374031. The next prime is 149374091. The reversal of 149374073 is 370473941.

It is a happy number.

149374073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130599184 + 18774889 = 11428^2 + 4333^2 .

It is a cyclic number.

It is not a de Polignac number, because 149374073 - 2⁶ = 149374009 is a prime.

It is a super-2 number, since 2×149374073² = 44625227369218658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149374003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74687036 + 74687037.

It is an arithmetic number, because the mean of its divisors is an integer number (74687037).

Almost surely, 2^149374073 is an apocalyptic number.

It is an amenable number.

149374073 is a deficient number, since it is larger than the sum of its proper divisors (1).

149374073 is an equidigital number, since it uses as much as digits as its factorization.

149374073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 149374073 is about 12221.8686378148. The cubic root of 149374073 is about 530.5892023401.

The spelling of 149374073 in words is "one hundred forty-nine million, three hundred seventy-four thousand, seventy-three".