145205748 has 36 divisors (see below), whose sum is σ = 374861760. Its totient is φ = 47371536.

The previous prime is 145205747. The next prime is 145205773. The reversal of 145205748 is 847502541.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145205747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41218 + ... + 44601.

Almost surely, 2^145205748 is an apocalyptic number.

145205748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145205748 is an abundant number, since it is smaller than the sum of its proper divisors (229656012).

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

145205748 is a wasteful number, since it uses less digits than its factorization.

145205748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85876 (or 85871 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 145205748 is about 12050.1347710306. The cubic root of 145205748 is about 525.6071560642.

The spelling of 145205748 in words is "one hundred forty-five million, two hundred five thousand, seven hundred forty-eight".