145101020 has 24 divisors (see below), whose sum is σ = 317961504. Its totient is φ = 55516736.

The previous prime is 145100999. The next prime is 145101031. The reversal of 145101020 is 20101541.

It is a junction number, because it is equal to n+sod(n) for n = 145100986 and 145101004.

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 7 ways as a sum of consecutive naturals, for example, 157259 + ... + 158178.

It is an arithmetic number, because the mean of its divisors is an integer number (13248396).

Almost surely, 2^145101020 is an apocalyptic number.

145101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145101020 is an abundant number, since it is smaller than the sum of its proper divisors (172860484).

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

145101020 is a wasteful number, since it uses less digits than its factorization.

145101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315469 (or 315467 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 145101020 is about 12045.7884756458. The cubic root of 145101020 is about 525.4807629381.

Adding to 145101020 its reverse (20101541), we get a palindrome (165202561).

The spelling of 145101020 in words is "one hundred forty-five million, one hundred one thousand, twenty".