145353490514 has 4 divisors (see below), whose sum is σ = 218030235774. Its totient is φ = 72676745256.

The previous prime is 145353490493. The next prime is 145353490537. The reversal of 145353490514 is 415094353541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73270369225 + 72083121289 = 270685^2 + 268483^2 .

It is a super-2 number, since 2×145353490514² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36338372627 + ... + 36338372630.

Almost surely, 2^145353490514 is an apocalyptic number.

145353490514 is a deficient number, since it is larger than the sum of its proper divisors (72676745260).

145353490514 is an equidigital number, since it uses as much as digits as its factorization.

145353490514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72676745259.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 145353490514 in words is "one hundred forty-five billion, three hundred fifty-three million, four hundred ninety thousand, five hundred fourteen".