612062144 has 14 divisors (see below), whose sum is σ = 1214560944. Its totient is φ = 306031040.

The previous prime is 612062137. The next prime is 612062147. The reversal of 612062144 is 441260216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612062147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4781672 + ... + 4781799.

Almost surely, 2^612062144 is an apocalyptic number.

612062144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

612062144 is a deficient number, since it is larger than the sum of its proper divisors (602498800).

612062144 is an equidigital number, since it uses as much as digits as its factorization.

612062144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563483 (or 9563473 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 612062144 is about 24739.8897329798. The cubic root of 612062144 is about 849.0472110531.

The spelling of 612062144 in words is "six hundred twelve million, sixty-two thousand, one hundred forty-four".