145779000 has 64 divisors (see below), whose sum is σ = 454839840. Its totient is φ = 38873600.

The previous prime is 145778999. The next prime is 145779041. The reversal of 145779000 is 977541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21297 + ... + 27296.

Almost surely, 2^145779000 is an apocalyptic number.

145779000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145779000 is an abundant number, since it is smaller than the sum of its proper divisors (309060840).

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

145779000 is a wasteful number, since it uses less digits than its factorization.

145779000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48617 (or 48603 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 145779000 is about 12073.8974651933. The cubic root of 145779000 is about 526.2979223759.

The spelling of 145779000 in words is "one hundred forty-five million, seven hundred seventy-nine thousand".