145301804 has 12 divisors (see below), whose sum is σ = 254481864. Its totient is φ = 72592704.

The previous prime is 145301747. The next prime is 145301809. The reversal of 145301804 is 408103541.

It is a super-2 number, since 2×145301804² = 42225228491308832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145301809) 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, 8669 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (21206822).

Almost surely, 2^145301804 is an apocalyptic number.

It is an amenable number.

145301804 is a deficient number, since it is larger than the sum of its proper divisors (109180060).

145301804 is a wasteful number, since it uses less digits than its factorization.

145301804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29104 (or 29102 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 145301804 is about 12054.1197936639. The cubic root of 145301804 is about 525.7230297881.

The spelling of 145301804 in words is "one hundred forty-five million, three hundred one thousand, eight hundred four".