147952157 has 4 divisors (see below), whose sum is σ = 148364640. Its totient is φ = 147539676.

The previous prime is 147952153. The next prime is 147952163. The reversal of 147952157 is 751259741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751259741 = 23 ⋅32663467.

It is a cyclic number.

It is not a de Polignac number, because 147952157 - 2² = 147952153 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 (147952151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205703 + ... + 206420.

It is an arithmetic number, because the mean of its divisors is an integer number (37091160).

Almost surely, 2^147952157 is an apocalyptic number.

It is an amenable number.

147952157 is a deficient number, since it is larger than the sum of its proper divisors (412483).

147952157 is an equidigital number, since it uses as much as digits as its factorization.

147952157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412482.

The product of its digits is 88200, while the sum is 41.

The square root of 147952157 is about 12163.5585664722. The cubic root of 147952157 is about 528.9002436005.

The spelling of 147952157 in words is "one hundred forty-seven million, nine hundred fifty-two thousand, one hundred fifty-seven".