145354816 has 28 divisors (see below), whose sum is σ = 288858960. Its totient is φ = 72571520.

The previous prime is 145354813. The next prime is 145354817. The reversal of 145354816 is 618453541.

It is a happy number.

It is a super-2 number, since 2×145354816² = 42256045068787712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145354813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60975 + ... + 63313.

Almost surely, 2^145354816 is an apocalyptic number.

145354816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145354816 is a deficient number, since it is larger than the sum of its proper divisors (143504144).

145354816 is an equidigital number, since it uses as much as digits as its factorization.

145354816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322 (or 3312 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 145354816 is about 12056.3185093958. The cubic root of 145354816 is about 525.7869570527.

The spelling of 145354816 in words is "one hundred forty-five million, three hundred fifty-four thousand, eight hundred sixteen".