145031000 has 32 divisors (see below), whose sum is σ = 339374880. Its totient is φ = 58012000.

The previous prime is 145030999. The next prime is 145031021. The reversal of 145031000 is 130541.

It is a super-2 number, since 2×145031000² = 42067981922000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71516 + ... + 73515.

It is an arithmetic number, because the mean of its divisors is an integer number (10605465).

Almost surely, 2^145031000 is an apocalyptic number.

145031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145031000 is an abundant number, since it is smaller than the sum of its proper divisors (194343880).

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

145031000 is a wasteful number, since it uses less digits than its factorization.

145031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145052 (or 145038 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 145031000 is about 12042.8817149385. The cubic root of 145031000 is about 525.3962239434.

Adding to 145031000 its reverse (130541), we get a palindrome (145161541).

The spelling of 145031000 in words is "one hundred forty-five million, thirty-one thousand".