145262380 has 24 divisors (see below), whose sum is σ = 305304048. Its totient is φ = 58056768.

The previous prime is 145262371. The next prime is 145262387. The reversal of 145262380 is 83262541.

It is a super-2 number, since 2×145262380² = 42202318086528800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145262387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31162 + ... + 35518.

It is an arithmetic number, because the mean of its divisors is an integer number (12721002).

Almost surely, 2^145262380 is an apocalyptic number.

145262380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145262380 is an abundant number, since it is smaller than the sum of its proper divisors (160041668).

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

145262380 is a wasteful number, since it uses less digits than its factorization.

145262380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033 (or 6031 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 145262380 is about 12052.4843911950. The cubic root of 145262380 is about 525.6754782346.

The spelling of 145262380 in words is "one hundred forty-five million, two hundred sixty-two thousand, three hundred eighty".