149768805 has 8 divisors (see below), whose sum is σ = 239630112. Its totient is φ = 79876688.

The previous prime is 149768797. The next prime is 149768819. The reversal of 149768805 is 508867941.

149768805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149768805 - 2³ = 149768797 is a prime.

It is a super-2 number, since 2×149768805² = 44861389902256050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992279 + ... + 4992308.

It is an arithmetic number, because the mean of its divisors is an integer number (29953764).

Almost surely, 2^149768805 is an apocalyptic number.

149768805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149768805 is a deficient number, since it is larger than the sum of its proper divisors (89861307).

149768805 is an equidigital number, since it uses as much as digits as its factorization.

149768805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984595.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 149768805 is about 12238.0065778704. The cubic root of 149768805 is about 531.0561649480.

The spelling of 149768805 in words is "one hundred forty-nine million, seven hundred sixty-eight thousand, eight hundred five".