145265484 has 96 divisors (see below), whose sum is σ = 420650496. Its totient is φ = 37992960.

The previous prime is 145265467. The next prime is 145265489. The reversal of 145265484 is 484562541.

It is a happy number.

It is a super-2 number, since 2×145265484² = 42204121683508512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (145265489) 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 31 ways as a sum of consecutive naturals, for example, 149119 + ... + 150089.

It is an arithmetic number, because the mean of its divisors is an integer number (4381776).

Almost surely, 2^145265484 is an apocalyptic number.

145265484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145265484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210325248).

145265484 is an abundant number, since it is smaller than the sum of its proper divisors (275385012).

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

145265484 is a wasteful number, since it uses less digits than its factorization.

145265484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1133 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 145265484 is about 12052.6131606387. The cubic root of 145265484 is about 525.6792224595.

The spelling of 145265484 in words is "one hundred forty-five million, two hundred sixty-five thousand, four hundred eighty-four".