145465616 has 20 divisors (see below), whose sum is σ = 294094272. Its totient is φ = 69570336.

The previous prime is 145465597. The next prime is 145465631. The reversal of 145465616 is 616564541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 145465616.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197276 + ... + 198011.

Almost surely, 2^145465616 is an apocalyptic number.

145465616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145465616 is an abundant number, since it is smaller than the sum of its proper divisors (148628656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145465616 is a wasteful number, since it uses less digits than its factorization.

145465616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395318 (or 395312 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 145465616 is about 12060.9127349467. The cubic root of 145465616 is about 525.9205207925.

The spelling of 145465616 in words is "one hundred forty-five million, four hundred sixty-five thousand, six hundred sixteen".