151561453 has 4 divisors (see below), whose sum is σ = 156787740. Its totient is φ = 146335168.

The previous prime is 151561451. The next prime is 151561457. The reversal of 151561453 is 354165151.

It is a happy number.

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 24029604 + 127531849 = 4902^2 + 11293^2 .

It is a cyclic number.

It is not a de Polignac number, because 151561453 - 2¹ = 151561451 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 (151561451) 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, 2613100 + ... + 2613157.

It is an arithmetic number, because the mean of its divisors is an integer number (39196935).

Almost surely, 2^151561453 is an apocalyptic number.

It is an amenable number.

151561453 is a deficient number, since it is larger than the sum of its proper divisors (5226287).

151561453 is an equidigital number, since it uses as much as digits as its factorization.

151561453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226286.

The product of its digits is 9000, while the sum is 31.

The square root of 151561453 is about 12311.0297294743. The cubic root of 151561453 is about 533.1665811586.

The spelling of 151561453 in words is "one hundred fifty-one million, five hundred sixty-one thousand, four hundred fifty-three".