149787051 has 16 divisors (see below), whose sum is σ = 222595200. Its totient is φ = 89036928.

The previous prime is 149787049. The next prime is 149787091. The reversal of 149787051 is 150787941.

It is not a de Polignac number, because 149787051 - 2¹ = 149787049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149786994 and 149787012.

It is not an unprimeable number, because it can be changed into a prime (149787091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76321 + ... + 78258.

It is an arithmetic number, because the mean of its divisors is an integer number (13912200).

Almost surely, 2^149787051 is an apocalyptic number.

149787051 is a deficient number, since it is larger than the sum of its proper divisors (72808149).

149787051 is a wasteful number, since it uses less digits than its factorization.

149787051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154618.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 149787051 is about 12238.7520197118. The cubic root of 149787051 is about 531.0777298689.

The spelling of 149787051 in words is "one hundred forty-nine million, seven hundred eighty-seven thousand, fifty-one".