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145737026 = 272868513
BaseRepresentation
bin10001010111111…
…00010101000010
3101011020012121122
420223330111002
5244302041101
622243352242
73416513201
oct1053742502
9334205548
10145737026
11752a0426
1240982682
1324268736
14154d9238
15cbdb51b
hex8afc542

145737026 has 4 divisors (see below), whose sum is σ = 218605542. Its totient is φ = 72868512.

The previous prime is 145737023. The next prime is 145737079. The reversal of 145737026 is 620737541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620737541 = 1736513973.

It can be written as a sum of positive squares in only one way, i.e., 138180025 + 7557001 = 11755^2 + 2749^2 .

It is not an unprimeable number, because it can be changed into a prime (145737023) by changing a digit.

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 as a sum of consecutive naturals, namely, 36434255 + ... + 36434258.

Almost surely, 2145737026 is an apocalyptic number.

145737026 is a deficient number, since it is larger than the sum of its proper divisors (72868516).

145737026 is an equidigital number, since it uses as much as digits as its factorization.

145737026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72868515.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 145737026 is about 12072.1591275132. The cubic root of 145737026 is about 526.2474053844.

It can be divided in two parts, 1457 and 37026, that added together give a palindrome (38483).

The spelling of 145737026 in words is "one hundred forty-five million, seven hundred thirty-seven thousand, twenty-six".

Divisors: 1 2 72868513 145737026