147994949 has 16 divisors (see below), whose sum is σ = 159227904. Its totient is φ = 137214000.

The previous prime is 147994943. The next prime is 147994981. The reversal of 147994949 is 949499741.

It is a cyclic number.

It is not a de Polignac number, because 147994949 - 2²⁴ = 131217733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147994894 and 147994903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147994943) 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, 148844 + ... + 149834.

It is an arithmetic number, because the mean of its divisors is an integer number (9951744).

Almost surely, 2^147994949 is an apocalyptic number.

It is an amenable number.

147994949 is a deficient number, since it is larger than the sum of its proper divisors (11232955).

147994949 is a wasteful number, since it uses less digits than its factorization.

147994949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its digits is 2939328, while the sum is 56.

The square root of 147994949 is about 12165.3174640040. The cubic root of 147994949 is about 528.9512297166.

The spelling of 147994949 in words is "one hundred forty-seven million, nine hundred ninety-four thousand, nine hundred forty-nine".