149876405 has 8 divisors (see below), whose sum is σ = 205544832. Its totient is φ = 102772368.

The previous prime is 149876401. The next prime is 149876411. The reversal of 149876405 is 504678941.

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 149876405 - 2² = 149876401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149876401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141057 + ... + 2141126.

It is an arithmetic number, because the mean of its divisors is an integer number (25693104).

Almost surely, 2^149876405 is an apocalyptic number.

It is an amenable number.

149876405 is a deficient number, since it is larger than the sum of its proper divisors (55668427).

149876405 is an equidigital number, since it uses as much as digits as its factorization.

149876405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282195.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 149876405 is about 12242.4019293601. The cubic root of 149876405 is about 531.1833119519.

The spelling of 149876405 in words is "one hundred forty-nine million, eight hundred seventy-six thousand, four hundred five".