157304461 has 4 divisors (see below), whose sum is σ = 157931424. Its totient is φ = 156677500.

The previous prime is 157304453. The next prime is 157304467. The reversal of 157304461 is 164403751.

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 a cyclic number.

It is not a de Polignac number, because 157304461 - 2³ = 157304453 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157304467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313105 + ... + 313606.

It is an arithmetic number, because the mean of its divisors is an integer number (39482856).

Almost surely, 2^157304461 is an apocalyptic number.

It is an amenable number.

157304461 is a deficient number, since it is larger than the sum of its proper divisors (626963).

157304461 is an equidigital number, since it uses as much as digits as its factorization.

157304461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626962.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 157304461 is about 12542.1075182762. The cubic root of 157304461 is about 539.8175664028.

The spelling of 157304461 in words is "one hundred fifty-seven million, three hundred four thousand, four hundred sixty-one".