145451204 has 6 divisors (see below), whose sum is σ = 254539614. Its totient is φ = 72725600.

The previous prime is 145451197. The next prime is 145451219. The reversal of 145451204 is 402154541.

It can be written as a sum of positive squares in only one way, i.e., 100962304 + 44488900 = 10048^2 + 6670^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18181397 + ... + 18181404.

It is an arithmetic number, because the mean of its divisors is an integer number (42423269).

Almost surely, 2^145451204 is an apocalyptic number.

It is an amenable number.

145451204 is a deficient number, since it is larger than the sum of its proper divisors (109088410).

145451204 is a wasteful number, since it uses less digits than its factorization.

145451204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36362805 (or 36362803 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 145451204 is about 12060.3152529277. The cubic root of 145451204 is about 525.9031517008.

The spelling of 145451204 in words is "one hundred forty-five million, four hundred fifty-one thousand, two hundred four".