145861460 has 12 divisors (see below), whose sum is σ = 306309108. Its totient is φ = 58344576.

The previous prime is 145861453. The next prime is 145861481. The reversal of 145861460 is 64168541.

It can be written as a sum of positive squares in 2 ways, for example, as 54582544 + 91278916 = 7388^2 + 9554^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145861460.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3646517 + ... + 3646556.

It is an arithmetic number, because the mean of its divisors is an integer number (25525759).

Almost surely, 2^145861460 is an apocalyptic number.

145861460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145861460 is an abundant number, since it is smaller than the sum of its proper divisors (160447648).

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

145861460 is a wasteful number, since it uses less digits than its factorization.

145861460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293082 (or 7293080 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 145861460 is about 12077.3117869831. The cubic root of 145861460 is about 526.3971372753.

The spelling of 145861460 in words is "one hundred forty-five million, eight hundred sixty-one thousand, four hundred sixty".