145425064 has 8 divisors (see below), whose sum is σ = 272672010. Its totient is φ = 72712528.

The previous prime is 145425023. The next prime is 145425083. The reversal of 145425064 is 460524541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 123876900 + 21548164 = 11130^2 + 4642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×145425064² = 42296898478808192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9089059 + ... + 9089074.

Almost surely, 2^145425064 is an apocalyptic number.

It is an amenable number.

145425064 is a deficient number, since it is larger than the sum of its proper divisors (127246946).

145425064 is a wasteful number, since it uses less digits than its factorization.

145425064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18178139 (or 18178135 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 145425064 is about 12059.2314846345. The cubic root of 145425064 is about 525.8716452995.

The spelling of 145425064 in words is "one hundred forty-five million, four hundred twenty-five thousand, sixty-four".