149153387 has 2 divisors, whose sum is σ = 149153388. Its totient is φ = 149153386.

The previous prime is 149153383. The next prime is 149153437. The reversal of 149153387 is 783351941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149153387 - 2² = 149153383 is a prime.

It is equal to p_8399471 and since 149153387 and 8399471 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (149153383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74576693 + 74576694.

It is an arithmetic number, because the mean of its divisors is an integer number (74576694).

Almost surely, 2^149153387 is an apocalyptic number.

149153387 is a deficient number, since it is larger than the sum of its proper divisors (1).

149153387 is an equidigital number, since it uses as much as digits as its factorization.

149153387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 149153387 is about 12212.8369759037. The cubic root of 149153387 is about 530.3277751758.

The spelling of 149153387 in words is "one hundred forty-nine million, one hundred fifty-three thousand, three hundred eighty-seven".