157543653 has 4 divisors (see below), whose sum is σ = 210058208. Its totient is φ = 105029100.

The previous prime is 157543619. The next prime is 157543657. The reversal of 157543653 is 356345751.

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.

It is not a de Polignac number, because 157543653 - 2¹³ = 157535461 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 (157543657) 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, 26257273 + ... + 26257278.

It is an arithmetic number, because the mean of its divisors is an integer number (52514552).

Almost surely, 2^157543653 is an apocalyptic number.

It is an amenable number.

157543653 is a deficient number, since it is larger than the sum of its proper divisors (52514555).

157543653 is an equidigital number, since it uses as much as digits as its factorization.

157543653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52514554.

The product of its digits is 189000, while the sum is 39.

The square root of 157543653 is about 12551.6394546689. The cubic root of 157543653 is about 540.0910374634.

The spelling of 157543653 in words is "one hundred fifty-seven million, five hundred forty-three thousand, six hundred fifty-three".