46145640 has 32 divisors (see below), whose sum is σ = 138437280. Its totient is φ = 12305472.

The previous prime is 46145629. The next prime is 46145651. The reversal of 46145640 is 4654164.

It is an interprime number because it is at equal distance from previous prime (46145629) and next prime (46145651).

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

It is a junction number, because it is equal to n+sod(n) for n = 46145598 and 46145607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192154 + ... + 192393.

It is an arithmetic number, because the mean of its divisors is an integer number (4326165).

Almost surely, 2^46145640 is an apocalyptic number.

46145640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46145640 is an abundant number, since it is smaller than the sum of its proper divisors (92291640).

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

46145640 is a wasteful number, since it uses less digits than its factorization.

46145640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384561 (or 384557 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 46145640 is about 6793.0582214493. The cubic root of 46145640 is about 358.6825300969.

The spelling of 46145640 in words is "forty-six million, one hundred forty-five thousand, six hundred forty".