145779072 has 32 divisors (see below), whose sum is σ = 387226680. Its totient is φ = 48592896.

The previous prime is 145779071. The next prime is 145779079. The reversal of 145779072 is 270977541.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145779071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189433 + ... + 190200.

Almost surely, 2^145779072 is an apocalyptic number.

145779072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145779072 is an abundant number, since it is smaller than the sum of its proper divisors (241447608).

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

145779072 is an equidigital number, since it uses as much as digits as its factorization.

145779072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379650 (or 379638 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 145779072 is about 12073.9004468316. The cubic root of 145779072 is about 526.2980090218.

The spelling of 145779072 in words is "one hundred forty-five million, seven hundred seventy-nine thousand, seventy-two".