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145377203 = 296774821
BaseRepresentation
bin10001010101001…
…00011110110011
3101010112221000212
420222210132303
5244204032303
622231534335
73413454146
oct1052443663
9333487025
10145377203
1175075054
124082a3ab
1324170a1a
141544405d
15cb69ad8
hex8aa47b3

145377203 has 8 divisors (see below), whose sum is σ = 152636880. Its totient is φ = 138267360.

The previous prime is 145377191. The next prime is 145377223. The reversal of 145377203 is 302773541.

145377203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145377203 - 28 = 145376947 is a prime.

It is a super-2 number, since 2×1453772032 = 42269062304206418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145377203.

It is not an unprimeable number, because it can be changed into a prime (145377223) 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, 35468 + ... + 39353.

It is an arithmetic number, because the mean of its divisors is an integer number (19079610).

Almost surely, 2145377203 is an apocalyptic number.

145377203 is a deficient number, since it is larger than the sum of its proper divisors (7259677).

145377203 is an equidigital number, since it uses as much as digits as its factorization.

145377203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74917.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 145377203 is about 12057.2469079803. The cubic root of 145377203 is about 525.8139489077.

The spelling of 145377203 in words is "one hundred forty-five million, three hundred seventy-seven thousand, two hundred three".

Divisors: 1 29 67 1943 74821 2169809 5013007 145377203