145285412 has 6 divisors (see below), whose sum is σ = 254249478. Its totient is φ = 72642704.

The previous prime is 145285409. The next prime is 145285423. The reversal of 145285412 is 214582541.

It can be written as a sum of positive squares in only one way, i.e., 125978176 + 19307236 = 11224^2 + 4394^2 .

It is a super-2 number, since 2×145285412² = 42215701880019488, 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, 18160673 + ... + 18160680.

It is an arithmetic number, because the mean of its divisors is an integer number (42374913).

Almost surely, 2^145285412 is an apocalyptic number.

It is an amenable number.

145285412 is a deficient number, since it is larger than the sum of its proper divisors (108964066).

145285412 is a wasteful number, since it uses less digits than its factorization.

145285412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36321357 (or 36321355 counting only the distinct ones).

The product of its digits is 12800, while the sum is 32.

The square root of 145285412 is about 12053.4398409749. The cubic root of 145285412 is about 525.7032594990.

The spelling of 145285412 in words is "one hundred forty-five million, two hundred eighty-five thousand, four hundred twelve".