145300724 has 12 divisors (see below), whose sum is σ = 254370144. Its totient is φ = 72623544.

The previous prime is 145300703. The next prime is 145300763. The reversal of 145300724 is 427003541.

It is a super-2 number, since 2×145300724² = 42224600789848352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145300693 and 145300702.

It is a congruent number.

It is an unprimeable number.

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, 10247 + ... + 19889.

It is an arithmetic number, because the mean of its divisors is an integer number (21197512).

Almost surely, 2^145300724 is an apocalyptic number.

It is an amenable number.

145300724 is a deficient number, since it is larger than the sum of its proper divisors (109069420).

145300724 is a wasteful number, since it uses less digits than its factorization.

145300724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414 (or 13412 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 145300724 is about 12054.0749956187. The cubic root of 145300724 is about 525.7217272525.

The spelling of 145300724 in words is "one hundred forty-five million, three hundred thousand, seven hundred twenty-four".