153566242 has 8 divisors (see below), whose sum is σ = 230750316. Its totient is φ = 76649472.

The previous prime is 153566221. The next prime is 153566263. The reversal of 153566242 is 242665351.

It is an interprime number because it is at equal distance from previous prime (153566221) and next prime (153566263).

It can be written as a sum of positive squares in 2 ways, for example, as 119705481 + 33860761 = 10941^2 + 5819^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 153566198 and 153566207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65383 + ... + 67690.

Almost surely, 2^153566242 is an apocalyptic number.

153566242 is a deficient number, since it is larger than the sum of its proper divisors (77184074).

153566242 is a wasteful number, since it uses less digits than its factorization.

153566242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133652.

The product of its digits is 43200, while the sum is 34.

The square root of 153566242 is about 12392.1847145691. The cubic root of 153566242 is about 535.5071233065.

The spelling of 153566242 in words is "one hundred fifty-three million, five hundred sixty-six thousand, two hundred forty-two".