145919070 has 192 divisors, whose sum is σ = 441552384. Its totient is φ = 34369920.

The previous prime is 145919057. The next prime is 145919087. The reversal of 145919070 is 70919541.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1416639 + ... + 1416741.

It is an arithmetic number, because the mean of its divisors is an integer number (2299752).

Almost surely, 2^145919070 is an apocalyptic number.

145919070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145919070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220776192).

145919070 is an abundant number, since it is smaller than the sum of its proper divisors (295633314).

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

145919070 is a wasteful number, since it uses less digits than its factorization.

145919070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 145919070 is about 12079.6966021502. The cubic root of 145919070 is about 526.4664307620.

The spelling of 145919070 in words is "one hundred forty-five million, nine hundred nineteen thousand, seventy".