157541109 has 16 divisors (see below), whose sum is σ = 229630464. Its totient is φ = 95279600.

The previous prime is 157541107. The next prime is 157541149. The reversal of 157541109 is 901145751.

It is a cyclic number.

It is not a de Polignac number, because 157541109 - 2¹ = 157541107 is a prime.

It is a super-3 number, since 3×157541109³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 157541109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157541107) 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, 11854 + ... + 21344.

It is an arithmetic number, because the mean of its divisors is an integer number (14351904).

Almost surely, 2^157541109 is an apocalyptic number.

It is an amenable number.

157541109 is a deficient number, since it is larger than the sum of its proper divisors (72089355).

157541109 is a wasteful number, since it uses less digits than its factorization.

157541109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10008.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 157541109 is about 12551.5381129167. The cubic root of 157541109 is about 540.0881303348.

The spelling of 157541109 in words is "one hundred fifty-seven million, five hundred forty-one thousand, one hundred nine".