145355516 has 24 divisors (see below), whose sum is σ = 257632704. Its totient is φ = 71751680.

The previous prime is 145355513. The next prime is 145355543. The reversal of 145355516 is 615553541.

It is a super-2 number, since 2×145355516² = 42256452063252512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145355513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159101 + ... + 160011.

It is an arithmetic number, because the mean of its divisors is an integer number (10734696).

Almost surely, 2^145355516 is an apocalyptic number.

It is an amenable number.

145355516 is a deficient number, since it is larger than the sum of its proper divisors (112277188).

145355516 is a wasteful number, since it uses less digits than its factorization.

145355516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1379 counting only the distinct ones).

The product of its digits is 45000, while the sum is 35.

The square root of 145355516 is about 12056.3475397817. The cubic root of 145355516 is about 525.7878010799.

The spelling of 145355516 in words is "one hundred forty-five million, three hundred fifty-five thousand, five hundred sixteen".