149269797 has 12 divisors (see below), whose sum is σ = 223597920. Its totient is φ = 99513036.

The previous prime is 149269787. The next prime is 149269837. The reversal of 149269797 is 797962941.

149269797 is a `hidden beast` number, since 1 + 492 + 69 + 7 + 97 = 666.

149269797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149269797 - 2⁷ = 149269669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149269717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306897 + ... + 307382.

It is an arithmetic number, because the mean of its divisors is an integer number (18633160).

Almost surely, 2^149269797 is an apocalyptic number.

It is an amenable number.

149269797 is a deficient number, since it is larger than the sum of its proper divisors (74328123).

149269797 is an frugal number, since it uses more digits than its factorization.

149269797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614294 (or 614282 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 149269797 is about 12217.6019332764. The cubic root of 149269797 is about 530.4657079075.

It can be divided in two parts, 1492 and 69797, that added together give a square (71289 = 267²).

The spelling of 149269797 in words is "one hundred forty-nine million, two hundred sixty-nine thousand, seven hundred ninety-seven".