149947051 has 8 divisors (see below), whose sum is σ = 160696224. Its totient is φ = 139550400.

The previous prime is 149947043. The next prime is 149947073. The reversal of 149947051 is 150749941.

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 149947051 - 2³ = 149947043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149946995 and 149947013.

It is not an unprimeable number, because it can be changed into a prime (149947151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87250 + ... + 88951.

It is an arithmetic number, because the mean of its divisors is an integer number (20087028).

Almost surely, 2^149947051 is an apocalyptic number.

149947051 is a deficient number, since it is larger than the sum of its proper divisors (10749173).

149947051 is a wasteful number, since it uses less digits than its factorization.

149947051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176261.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 149947051 is about 12245.2868892485. The cubic root of 149947051 is about 531.2667586686.

The spelling of 149947051 in words is "one hundred forty-nine million, nine hundred forty-seven thousand, fifty-one".