242400451 has 8 divisors (see below), whose sum is σ = 245055008. Its totient is φ = 239760000.

The previous prime is 242400443. The next prime is 242400463. The reversal of 242400451 is 154004242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242400451 - 2³ = 242400443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242400401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33061 + ... + 39721.

It is an arithmetic number, because the mean of its divisors is an integer number (30631876).

Almost surely, 2^242400451 is an apocalyptic number.

242400451 is a deficient number, since it is larger than the sum of its proper divisors (2654557).

242400451 is a wasteful number, since it uses less digits than its factorization.

242400451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 242400451 is about 15569.2148485401. The cubic root of 242400451 is about 623.5115093672.

Adding to 242400451 its reverse (154004242), we get a palindrome (396404693).

The spelling of 242400451 in words is "two hundred forty-two million, four hundred thousand, four hundred fifty-one".