451630137 has 16 divisors (see below), whose sum is σ = 711930240. Its totient is φ = 249174912.

The previous prime is 451630121. The next prime is 451630159. The reversal of 451630137 is 731036154.

It is not a de Polignac number, because 451630137 - 2⁴ = 451630121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451630117) 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, 370188 + ... + 371405.

It is an arithmetic number, because the mean of its divisors is an integer number (44495640).

Almost surely, 2^451630137 is an apocalyptic number.

It is an amenable number.

451630137 is a deficient number, since it is larger than the sum of its proper divisors (260300103).

451630137 is a wasteful number, since it uses less digits than its factorization.

451630137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741632.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 451630137 is about 21251.5913992341. The cubic root of 451630137 is about 767.2336427493.

The spelling of 451630137 in words is "four hundred fifty-one million, six hundred thirty thousand, one hundred thirty-seven".