146480781 has 8 divisors (see below), whose sum is σ = 195444000. Its totient is φ = 97585712.

The previous prime is 146480771. The next prime is 146480783. The reversal of 146480781 is 187084641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146480781 - 2¹⁴ = 146464397 is a prime.

It is a super-2 number, since 2×146480781² = 42913238404739922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146480783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11790 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (24430500).

Almost surely, 2^146480781 is an apocalyptic number.

It is an amenable number.

146480781 is a deficient number, since it is larger than the sum of its proper divisors (48963219).

146480781 is a wasteful number, since it uses less digits than its factorization.

146480781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34075.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 146480781 is about 12102.9244812979. The cubic root of 146480781 is about 527.1411046004.

The spelling of 146480781 in words is "one hundred forty-six million, four hundred eighty thousand, seven hundred eighty-one".