145713450 has 48 divisors (see below), whose sum is σ = 364262400. Its totient is φ = 38545920.

The previous prime is 145713439. The next prime is 145713461. The reversal of 145713450 is 54317541.

145713450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145713439) and next prime (145713461).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15226 + ... + 22874.

It is an arithmetic number, because the mean of its divisors is an integer number (7588800).

Almost surely, 2^145713450 is an apocalyptic number.

145713450 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 145713450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182131200).

145713450 is an abundant number, since it is smaller than the sum of its proper divisors (218548950).

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

145713450 is a wasteful number, since it uses less digits than its factorization.

145713450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791 (or 7786 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 145713450 is about 12071.1826264041. The cubic root of 145713450 is about 526.2190266938.

The spelling of 145713450 in words is "one hundred forty-five million, seven hundred thirteen thousand, four hundred fifty".