145377603 has 12 divisors (see below), whose sum is σ = 239988528. Its totient is φ = 83072880.

The previous prime is 145377559. The next prime is 145377611. The reversal of 145377603 is 306773541.

145377603 is a `hidden beast` number, since 1 + 45 + 3 + 7 + 7 + 603 = 666.

It is not a de Polignac number, because 145377603 - 2⁸ = 145377347 is a prime.

It is a super-2 number, since 2×145377603² = 42269294908051218, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (145377613) 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 11 ways as a sum of consecutive naturals, for example, 1153728 + ... + 1153853.

It is an arithmetic number, because the mean of its divisors is an integer number (19999044).

Almost surely, 2^145377603 is an apocalyptic number.

145377603 is a deficient number, since it is larger than the sum of its proper divisors (94610925).

145377603 is a wasteful number, since it uses less digits than its factorization.

145377603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307594 (or 2307591 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 145377603 is about 12057.2634955034. The cubic root of 145377603 is about 525.8144311598.

The spelling of 145377603 in words is "one hundred forty-five million, three hundred seventy-seven thousand, six hundred three".