145872458 has 8 divisors (see below), whose sum is σ = 220853952. Its totient is φ = 72254476.

The previous prime is 145872457. The next prime is 145872479. The reversal of 145872458 is 854278541.

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

It is not an unprimeable number, because it can be changed into a prime (145872451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340610 + ... + 341037.

It is an arithmetic number, because the mean of its divisors is an integer number (27606744).

Almost surely, 2^145872458 is an apocalyptic number.

145872458 is a deficient number, since it is larger than the sum of its proper divisors (74981494).

145872458 is a wasteful number, since it uses less digits than its factorization.

145872458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681756.

The product of its digits is 358400, while the sum is 44.

The square root of 145872458 is about 12077.7670949559. The cubic root of 145872458 is about 526.4103671127.

The spelling of 145872458 in words is "one hundred forty-five million, eight hundred seventy-two thousand, four hundred fifty-eight".