Search a number
-
+
145030377 = 348343459
BaseRepresentation
bin10001010010011…
…11110011101001
3101002220022021110
420221033303221
5244111433002
622220300533
73410511042
oct1051176351
9332808243
10145030377
1174958518
12406a1749
132407bbbb
14153938c9
15caebe6c
hex8a4fce9

145030377 has 4 divisors (see below), whose sum is σ = 193373840. Its totient is φ = 96686916.

The previous prime is 145030373. The next prime is 145030393. The reversal of 145030377 is 773030541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145030377 - 22 = 145030373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145030373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24171727 + ... + 24171732.

It is an arithmetic number, because the mean of its divisors is an integer number (48343460).

Almost surely, 2145030377 is an apocalyptic number.

It is an amenable number.

145030377 is a deficient number, since it is larger than the sum of its proper divisors (48343463).

145030377 is an equidigital number, since it uses as much as digits as its factorization.

145030377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48343462.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 145030377 is about 12042.8558490086. The cubic root of 145030377 is about 525.3954716391.

The spelling of 145030377 in words is "one hundred forty-five million, thirty thousand, three hundred seventy-seven".

Divisors: 1 3 48343459 145030377