149515463 has 2 divisors, whose sum is σ = 149515464. Its totient is φ = 149515462.

The previous prime is 149515441. The next prime is 149515469. The reversal of 149515463 is 364515941.

It is a strong prime.

It is an emirp because it is prime and its reverse (364515941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149515463 - 2⁸ = 149515207 is a prime.

It is a super-2 number, since 2×149515463² = 44709747352208738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149515469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74757731 + 74757732.

It is an arithmetic number, because the mean of its divisors is an integer number (74757732).

Almost surely, 2^149515463 is an apocalyptic number.

149515463 is a deficient number, since it is larger than the sum of its proper divisors (1).

149515463 is an equidigital number, since it uses as much as digits as its factorization.

149515463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 149515463 is about 12227.6515733807. The cubic root of 149515463 is about 530.7565592497.

The spelling of 149515463 in words is "one hundred forty-nine million, five hundred fifteen thousand, four hundred sixty-three".