201450157 has 4 divisors (see below), whose sum is σ = 202784416. Its totient is φ = 200115900.

The previous prime is 201450149. The next prime is 201450209. The reversal of 201450157 is 751054102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 751054102 = 2 ⋅375527051.

It is a cyclic number.

It is not a de Polignac number, because 201450157 - 2³ = 201450149 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 (201459157) 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, 666903 + ... + 667204.

It is an arithmetic number, because the mean of its divisors is an integer number (50696104).

Almost surely, 2^201450157 is an apocalyptic number.

It is an amenable number.

201450157 is a deficient number, since it is larger than the sum of its proper divisors (1334259).

201450157 is a wasteful number, since it uses less digits than its factorization.

201450157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334258.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 201450157 is about 14193.3138132009. The cubic root of 201450157 is about 586.2135734463.

The spelling of 201450157 in words is "two hundred one million, four hundred fifty thousand, one hundred fifty-seven".