145020378 has 16 divisors (see below), whose sum is σ = 290628000. Its totient is φ = 48242256.

The previous prime is 145020377. The next prime is 145020383. The reversal of 145020378 is 873020541.

145020378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145020377) 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, 21225 + ... + 27212.

It is an arithmetic number, because the mean of its divisors is an integer number (18164250).

Almost surely, 2^145020378 is an apocalyptic number.

145020378 is an abundant number, since it is smaller than the sum of its proper divisors (145607622).

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

145020378 is a wasteful number, since it uses less digits than its factorization.

145020378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48941.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 145020378 is about 12042.4406994596. The cubic root of 145020378 is about 525.3833970421.

The spelling of 145020378 in words is "one hundred forty-five million, twenty thousand, three hundred seventy-eight".