145299384 has 48 divisors (see below), whose sum is σ = 414234600. Its totient is φ = 45883584.

The previous prime is 145299383. The next prime is 145299409. The reversal of 145299384 is 483992541.

It is a super-2 number, since 2×145299384² = 42223821981558912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145299383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51739 + ... + 54474.

Almost surely, 2^145299384 is an apocalyptic number.

It is an amenable number.

145299384 is an abundant number, since it is smaller than the sum of its proper divisors (268935216).

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

145299384 is a wasteful number, since it uses less digits than its factorization.

145299384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106244 (or 106237 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 145299384 is about 12054.0194126275. The cubic root of 145299384 is about 525.7201111347.

The spelling of 145299384 in words is "one hundred forty-five million, two hundred ninety-nine thousand, three hundred eighty-four".