145365254 has 8 divisors (see below), whose sum is σ = 223366248. Its totient is φ = 70909840.

The previous prime is 145365247. The next prime is 145365271. The reversal of 145365254 is 452563541.

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

It is a super-2 number, since 2×145365254² = 42262114140969032, which contains 22 as substring.

It is a congruent number.

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, 886292 + ... + 886455.

It is an arithmetic number, because the mean of its divisors is an integer number (27920781).

Almost surely, 2^145365254 is an apocalyptic number.

145365254 is a deficient number, since it is larger than the sum of its proper divisors (78000994).

145365254 is a wasteful number, since it uses less digits than its factorization.

145365254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772790.

The product of its digits is 72000, while the sum is 35.

The square root of 145365254 is about 12056.7513866713. The cubic root of 145365254 is about 525.7995424238.

The spelling of 145365254 in words is "one hundred forty-five million, three hundred sixty-five thousand, two hundred fifty-four".