145764630 has 128 divisors (see below), whose sum is σ = 449141760. Its totient is φ = 33246720.

The previous prime is 145764629. The next prime is 145764677. The reversal of 145764630 is 36467541.

It is a happy number.

145764630 is a `hidden beast` number, since 1 + 4 + 5 + 7 + 646 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49047 + ... + 51933.

It is an arithmetic number, because the mean of its divisors is an integer number (3508920).

Almost surely, 2^145764630 is an apocalyptic number.

145764630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145764630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224570880).

145764630 is an abundant number, since it is smaller than the sum of its proper divisors (303377130).

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

145764630 is a wasteful number, since it uses less digits than its factorization.

145764630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931 (or 2925 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 145764630 is about 12073.3023651361. The cubic root of 145764630 is about 526.2806287336.

The spelling of 145764630 in words is "one hundred forty-five million, seven hundred sixty-four thousand, six hundred thirty".