151920254 has 8 divisors (see below), whose sum is σ = 229074048. Its totient is φ = 75562240.

The previous prime is 151920253. The next prime is 151920271. The reversal of 151920254 is 452029151.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151920253) 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, 198467 + ... + 199230.

It is an arithmetic number, because the mean of its divisors is an integer number (28634256).

Almost surely, 2^151920254 is an apocalyptic number.

151920254 is a deficient number, since it is larger than the sum of its proper divisors (77153794).

151920254 is a wasteful number, since it uses less digits than its factorization.

151920254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397890.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 151920254 is about 12325.5934542723. The cubic root of 151920254 is about 533.5869825591.

The spelling of 151920254 in words is "one hundred fifty-one million, nine hundred twenty thousand, two hundred fifty-four".