145445508 has 36 divisors (see below), whose sum is σ = 395936268. Its totient is φ = 44752320.

The previous prime is 145445497. The next prime is 145445519. The reversal of 145445508 is 805544541.

It is a happy number.

145445508 is a `hidden beast` number, since 145 + 4 + 4 + 5 + 508 = 666.

It is an interprime number because it is at equal distance from previous prime (145445497) and next prime (145445519).

It can be written as a sum of positive squares in 2 ways, for example, as 77580864 + 67864644 = 8808^2 + 8238^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 154923 + ... + 155858.

Almost surely, 2^145445508 is an apocalyptic number.

145445508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145445508 is an abundant number, since it is smaller than the sum of its proper divisors (250490760).

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

145445508 is a wasteful number, since it uses less digits than its factorization.

145445508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310804 (or 310799 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 145445508 is about 12060.0791042182. The cubic root of 145445508 is about 525.8962866643.

The spelling of 145445508 in words is "one hundred forty-five million, four hundred forty-five thousand, five hundred eight".