145340004244 has 6 divisors (see below), whose sum is σ = 254345007434. Its totient is φ = 72670002120.

The previous prime is 145340004209. The next prime is 145340004263. The reversal of 145340004244 is 442400043541.

It can be written as a sum of positive squares in only one way, i.e., 99976116100 + 45363888144 = 316190^2 + 212988^2 .

It is a super-2 number, since 2×145340004244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18167500527 + ... + 18167500534.

Almost surely, 2^145340004244 is an apocalyptic number.

It is an amenable number.

145340004244 is a deficient number, since it is larger than the sum of its proper divisors (109005003190).

145340004244 is a wasteful number, since it uses less digits than its factorization.

145340004244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36335001065 (or 36335001063 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 145340004244 its reverse (442400043541), we get a palindrome (587740047785).

The spelling of 145340004244 in words is "one hundred forty-five billion, three hundred forty million, four thousand, two hundred forty-four".