149877901 has 8 divisors (see below), whose sum is σ = 156310784. Its totient is φ = 143544960.

The previous prime is 149877881. The next prime is 149877911. The reversal of 149877901 is 109778941.

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 149877901 - 2¹¹ = 149875853 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 (149877911) 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, 21915 + ... + 27928.

It is an arithmetic number, because the mean of its divisors is an integer number (19538848).

Almost surely, 2^149877901 is an apocalyptic number.

It is an amenable number.

149877901 is a deficient number, since it is larger than the sum of its proper divisors (6432883).

149877901 is an equidigital number, since it uses as much as digits as its factorization.

149877901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49971.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 149877901 is about 12242.4630283289. The cubic root of 149877901 is about 531.1850792917.

The spelling of 149877901 in words is "one hundred forty-nine million, eight hundred seventy-seven thousand, nine hundred one".