145547030 has 32 divisors (see below), whose sum is σ = 292001760. Its totient is φ = 51909120.

The previous prime is 145547029. The next prime is 145547033. The reversal of 145547030 is 30745541.

It is a junction number, because it is equal to n+sod(n) for n = 145546984 and 145547002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145547033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19301 + ... + 25760.

It is an arithmetic number, because the mean of its divisors is an integer number (9125055).

Almost surely, 2^145547030 is an apocalyptic number.

145547030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145547030 is an abundant number, since it is smaller than the sum of its proper divisors (146454730).

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

145547030 is a wasteful number, since it uses less digits than its factorization.

145547030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45104.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 145547030 is about 12064.2873805294. The cubic root of 145547030 is about 526.0186179900.

The spelling of 145547030 in words is "one hundred forty-five million, five hundred forty-seven thousand, thirty".