149537407 has 2 divisors, whose sum is σ = 149537408. Its totient is φ = 149537406.

The previous prime is 149537383. The next prime is 149537411. The reversal of 149537407 is 704735941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149537407 - 2⁷ = 149537279 is a prime.

It is a super-2 number, since 2×149537407² = 44722872184567298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149537407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149537107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74768703 + 74768704.

It is an arithmetic number, because the mean of its divisors is an integer number (74768704).

Almost surely, 2^149537407 is an apocalyptic number.

149537407 is a deficient number, since it is larger than the sum of its proper divisors (1).

149537407 is an equidigital number, since it uses as much as digits as its factorization.

149537407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 149537407 is about 12228.5488509471. The cubic root of 149537407 is about 530.7825239046.

The spelling of 149537407 in words is "one hundred forty-nine million, five hundred thirty-seven thousand, four hundred seven".