145773952 has 64 divisors (see below), whose sum is σ = 303490800. Its totient is φ = 69658624.

The previous prime is 145773949. The next prime is 145773959. The reversal of 145773952 is 259377541.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 145773899 and 145773908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145773959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642063 + ... + 642289.

Almost surely, 2^145773952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145773952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151745400).

145773952 is an abundant number, since it is smaller than the sum of its proper divisors (157716848).

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

145773952 is a wasteful number, since it uses less digits than its factorization.

145773952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 431 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 145773952 is about 12073.6884173810. The cubic root of 145773952 is about 526.2918474667.

The spelling of 145773952 in words is "one hundred forty-five million, seven hundred seventy-three thousand, nine hundred fifty-two".