145253034 has 48 divisors (see below), whose sum is σ = 327680640. Its totient is φ = 47693880.

The previous prime is 145253029. The next prime is 145253039. The reversal of 145253034 is 430352541.

It is an interprime number because it is at equal distance from previous prime (145253029) and next prime (145253039).

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

It is a junction number, because it is equal to n+sod(n) for n = 145252989 and 145253007.

It is not an unprimeable number, because it can be changed into a prime (145253039) 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 23 ways as a sum of consecutive naturals, for example, 336799 + ... + 337229.

It is an arithmetic number, because the mean of its divisors is an integer number (6826680).

Almost surely, 2^145253034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145253034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163840320).

145253034 is an abundant number, since it is smaller than the sum of its proper divisors (182427606).

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

145253034 is an equidigital number, since it uses as much as digits as its factorization.

145253034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 145253034 is about 12052.0966640664. The cubic root of 145253034 is about 525.6642042250.

The spelling of 145253034 in words is "one hundred forty-five million, two hundred fifty-three thousand, thirty-four".