145392462 has 64 divisors (see below), whose sum is σ = 338333760. Its totient is φ = 46230912.

The previous prime is 145392439. The next prime is 145392473. The reversal of 145392462 is 264293541.

It is a happy number.

It is a super-2 number, since 2×145392462² = 42277936012842888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105208 + ... + 106580.

It is an arithmetic number, because the mean of its divisors is an integer number (5286465).

Almost surely, 2^145392462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145392462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169166880).

145392462 is an abundant number, since it is smaller than the sum of its proper divisors (192941298).

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

145392462 is a wasteful number, since it uses less digits than its factorization.

145392462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1468 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 145392462 is about 12057.8796643523. The cubic root of 145392462 is about 525.8323449931.

The spelling of 145392462 in words is "one hundred forty-five million, three hundred ninety-two thousand, four hundred sixty-two".