145823530 has 16 divisors (see below), whose sum is σ = 265646304. Its totient is φ = 57626320.

The previous prime is 145823527. The next prime is 145823533. The reversal of 145823530 is 35328541.

It is an interprime number because it is at equal distance from previous prime (145823527) and next prime (145823533).

It is a junction number, because it is equal to n+sod(n) for n = 145823492 and 145823501.

It is not an unprimeable number, because it can be changed into a prime (145823533) 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, 87016 + ... + 88675.

It is an arithmetic number, because the mean of its divisors is an integer number (16602894).

Almost surely, 2^145823530 is an apocalyptic number.

145823530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145823530 is a deficient number, since it is larger than the sum of its proper divisors (119822774).

145823530 is a wasteful number, since it uses less digits than its factorization.

145823530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175781.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 145823530 is about 12075.7413851076. The cubic root of 145823530 is about 526.3515049921.

The spelling of 145823530 in words is "one hundred forty-five million, eight hundred twenty-three thousand, five hundred thirty".