157275145 has 8 divisors (see below), whose sum is σ = 189521280. Its totient is φ = 125292720.

The previous prime is 157275137. The next prime is 157275163. The reversal of 157275145 is 541572751.

157275145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157275145 - 2³ = 157275137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64611 + ... + 67000.

It is an arithmetic number, because the mean of its divisors is an integer number (23690160).

Almost surely, 2^157275145 is an apocalyptic number.

It is an amenable number.

157275145 is a deficient number, since it is larger than the sum of its proper divisors (32246135).

157275145 is a wasteful number, since it uses less digits than its factorization.

157275145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131855.

The product of its digits is 49000, while the sum is 37.

The square root of 157275145 is about 12540.9387607148. The cubic root of 157275145 is about 539.7840300050.

The spelling of 157275145 in words is "one hundred fifty-seven million, two hundred seventy-five thousand, one hundred forty-five".