145469492 has 24 divisors (see below), whose sum is σ = 293825280. Its totient is φ = 61725600.

The previous prime is 145469479. The next prime is 145469497. The reversal of 145469492 is 294964541.

It is a super-3 number, since 3×145469492³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145469497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22892 + ... + 28547.

It is an arithmetic number, because the mean of its divisors is an integer number (12242720).

Almost surely, 2^145469492 is an apocalyptic number.

It is an amenable number.

145469492 is an abundant number, since it is smaller than the sum of its proper divisors (148355788).

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

145469492 is a wasteful number, since it uses less digits than its factorization.

145469492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51551 (or 51549 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 145469492 is about 12061.0734182327. The cubic root of 145469492 is about 525.9251918845.

The spelling of 145469492 in words is "one hundred forty-five million, four hundred sixty-nine thousand, four hundred ninety-two".