145030392 has 192 divisors, whose sum is σ = 454572000. Its totient is φ = 42771456.

The previous prime is 145030373. The next prime is 145030393. The reversal of 145030392 is 293030541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145030393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1058548 + ... + 1058684.

Almost surely, 2^145030392 is an apocalyptic number.

145030392 is a gapful number since it is divisible by the number (12) 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 145030392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227286000).

145030392 is an abundant number, since it is smaller than the sum of its proper divisors (309541608).

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

145030392 is a wasteful number, since it uses less digits than its factorization.

145030392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 145030392 is about 12042.8564717844. The cubic root of 145030392 is about 525.3954897524.

The spelling of 145030392 in words is "one hundred forty-five million, thirty thousand, three hundred ninety-two".