145361020 has 48 divisors (see below), whose sum is σ = 367234560. Its totient is φ = 47214144.

The previous prime is 145361017. The next prime is 145361059. The reversal of 145361020 is 20163541.

It is a super-2 number, since 2×145361020² = 42259652270880800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145360982 and 145361000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24664 + ... + 29983.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^145361020 is an apocalyptic number.

145361020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145361020 is an abundant number, since it is smaller than the sum of its proper divisors (221873540).

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

145361020 is a wasteful number, since it uses less digits than its factorization.

145361020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54682 (or 54680 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 145361020 is about 12056.5757991231. The cubic root of 145361020 is about 525.7944374512.

The spelling of 145361020 in words is "one hundred forty-five million, three hundred sixty-one thousand, twenty".