145352460 has 72 divisors (see below), whose sum is σ = 447371568. Its totient is φ = 35235200.

The previous prime is 145352453. The next prime is 145352497. The reversal of 145352460 is 64253541.

It is a super-2 number, since 2×145352460² = 42254675256103200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2751 + ... + 17270.

It is an arithmetic number, because the mean of its divisors is an integer number (6213494).

Almost surely, 2^145352460 is an apocalyptic number.

145352460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145352460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223685784).

145352460 is an abundant number, since it is smaller than the sum of its proper divisors (302019108).

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

145352460 is a wasteful number, since it uses less digits than its factorization.

145352460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055 (or 20042 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 145352460 is about 12056.2208008978. The cubic root of 145352460 is about 525.7841162782.

The spelling of 145352460 in words is "one hundred forty-five million, three hundred fifty-two thousand, four hundred sixty".