153421266 has 16 divisors (see below), whose sum is σ = 306964224. Its totient is φ = 51120144.

The previous prime is 153421249. The next prime is 153421309. The reversal of 153421266 is 662124351.

It is a super-2 number, since 2×153421266² = 47076169722085512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25500 + ... + 30936.

It is an arithmetic number, because the mean of its divisors is an integer number (19185264).

Almost surely, 2^153421266 is an apocalyptic number.

153421266 is an abundant number, since it is smaller than the sum of its proper divisors (153542958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153421266 is a wasteful number, since it uses less digits than its factorization.

153421266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145.

The product of its digits is 8640, while the sum is 30.

The square root of 153421266 is about 12386.3338401643. Note that the first 3 decimals coincide. The cubic root of 153421266 is about 535.3385530021.

The spelling of 153421266 in words is "one hundred fifty-three million, four hundred twenty-one thousand, two hundred sixty-six".