157454201 has 4 divisors (see below), whose sum is σ = 158457252. Its totient is φ = 156451152.

The previous prime is 157454191. The next prime is 157454257. The reversal of 157454201 is 102454751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109830400 + 47623801 = 10480^2 + 6901^2 .

It is a cyclic number.

It is not a de Polignac number, because 157454201 - 2¹⁴ = 157437817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157454281) 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, 501290 + ... + 501603.

It is an arithmetic number, because the mean of its divisors is an integer number (39614313).

Almost surely, 2^157454201 is an apocalyptic number.

It is an amenable number.

157454201 is a deficient number, since it is larger than the sum of its proper divisors (1003051).

157454201 is a wasteful number, since it uses less digits than its factorization.

157454201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003050.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 157454201 is about 12548.0755895077. The cubic root of 157454201 is about 539.9887983502.

The spelling of 157454201 in words is "one hundred fifty-seven million, four hundred fifty-four thousand, two hundred one".