145606045562 has 4 divisors (see below), whose sum is σ = 218409068346. Its totient is φ = 72803022780.

The previous prime is 145606045523. The next prime is 145606045609. The reversal of 145606045562 is 265540606541.

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., 120381935521 + 25224110041 = 346961^2 + 158821^2 .

It is a super-2 number, since 2×145606045562² (a number of 23 digits) 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, 36401511389 + ... + 36401511392.

Almost surely, 2^145606045562 is an apocalyptic number.

145606045562 is a deficient number, since it is larger than the sum of its proper divisors (72803022784).

145606045562 is an equidigital number, since it uses as much as digits as its factorization.

145606045562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72803022783.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 145606045562 in words is "one hundred forty-five billion, six hundred six million, forty-five thousand, five hundred sixty-two".