148933917 has 32 divisors (see below), whose sum is σ = 247224960. Its totient is φ = 87816960.

The previous prime is 148933861. The next prime is 148933919. The reversal of 148933917 is 719339841.

It is not a de Polignac number, because 148933917 - 2¹⁶ = 148868381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148933919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4213 + ... + 17765.

It is an arithmetic number, because the mean of its divisors is an integer number (7725780).

Almost surely, 2^148933917 is an apocalyptic number.

It is an amenable number.

148933917 is a deficient number, since it is larger than the sum of its proper divisors (98291043).

148933917 is a wasteful number, since it uses less digits than its factorization.

148933917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610 (or 13604 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 148933917 is about 12203.8484503865. The cubic root of 148933917 is about 530.0675326311.

The spelling of 148933917 in words is "one hundred forty-eight million, nine hundred thirty-three thousand, nine hundred seventeen".